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25Mn

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20Mn 30Mn
#25Mn

Description

China GBT 25Mn China structural steel and alloy steel and 25Mn Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 25Mn
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 25Mn GBT China China structural steel and alloy steel
50
55
60
65
70
75
80
85
15Mn
20Mn

Chemical composition(mass fraction)(wt.%) of the 25Mn

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Cu(%)
0.22-0.29 0.17-0.37 0.70-1.00 0.035 0.035 0.25 0.3 0.25

Mechanical Properties of steel grade 25Mn

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
929 (≥) 884 (≥) 22 21 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 431

Physical Properties of steel grade 25Mn

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
43 - -     0.32 -  
162 269 - 23.3 144   -  
788 - 14 14.2   211 211

Heat Treatment of steel grade 25Mn

Heat treated : 1463°C - 1674°C

Technological Curves of steel grade 25Mn

Cross Reference Table (Equivalent Grade) of 25Mn

Grade Standard Country Application
25Mn5 AFNOR France Fasteners with stainless steel and nickel alloy for high temperature and low temperature (NF-EN 10269(1999))
25MnCrSiil STAS/SR Romania Alloy structural steel
25MnCrSil IS STAS/SR Romania Alloy structural steel
25MnCrSi11X STAS/SR Romania Alloy structural steel
25MnCrSi11XS STAS/SR Romania Alloy structural steel
25MnG GBT China China structural steel and alloy steel
25Mn GBT China China structural steel and alloy steel
25MnRiVRE GBT China China structural steel and alloy steel
ML25Mn GBT China China structural steel and alloy steel
20Mn 30Mn
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Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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